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WO2021159065A1 - Indication de préemption au moyen d'un faisceau multiple - Google Patents

Indication de préemption au moyen d'un faisceau multiple Download PDF

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Publication number
WO2021159065A1
WO2021159065A1 PCT/US2021/017070 US2021017070W WO2021159065A1 WO 2021159065 A1 WO2021159065 A1 WO 2021159065A1 US 2021017070 W US2021017070 W US 2021017070W WO 2021159065 A1 WO2021159065 A1 WO 2021159065A1
Authority
WO
WIPO (PCT)
Prior art keywords
uplink
wireless device
cancellation
dci
resources
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2021/017070
Other languages
English (en)
Inventor
Yunjung Yi
Kai Xu
Esmael Hejazi Dinan
Hua Zhou
Bing HUI
Hyukjin Chae
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ofinno LLC
Original Assignee
Ofinno LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ofinno LLC filed Critical Ofinno LLC
Publication of WO2021159065A1 publication Critical patent/WO2021159065A1/fr
Priority to US17/882,320 priority Critical patent/US12389417B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/088—Hybrid systems, i.e. switching and combining using beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
    • H04W72/569—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows

Definitions

  • the NG-RAN 154 may connect the 5G-CN 152 to the UEs 156 through radio communications over the air interface.
  • the NG-RAN 154 may include one or more gNBs, illustrated as gNB 160A and gNB 160B (collectively gNBs 160) and/or one or more ng-eNBs, illustrated as ng-eNB 162A and ng-eNB 162B (collectively ng-eNBs 162).
  • the gNBs 160 and ng-eNBs 162 may be more generically referred to as base stations.
  • the gNBs 160 and ng-eNBs 162 may include one or more sets of antennas for communicating with the UEs 156 over an air interface.
  • the UE’s serving base station may request a handover to a cell of one of the neighboring base stations based on the reported measurements.
  • the RRC state may transition from RRC connected 602 to RRC idle 604 through a connection release procedure 608 or to RRC inactive 606 through a connection inactivation procedure 610.
  • SS/PBCH blocks may be transmitted in spatial directions (e.g., using different beams that span a coverage area of the cell).
  • a first SS/PBCH block may be transmitted in a first spatial direction using a first beam
  • a second SS/PBCH block may be transmitted in a second spatial direction using a second beam.
  • An NR network may support (e.g., for cyclic prefix orthogonal frequency division multiplexing (CP-OFDM)) a common DMRS structure for downlink and uplink, wherein a DMRS location, a DMRS pattern, and/or a scrambling sequence for the DMRS may be the same or different.
  • CP-OFDM cyclic prefix orthogonal frequency division multiplexing
  • SRS may be transmitted by a UE to a base station for channel state estimation to support uplink channel dependent scheduling and/or link adaptation.
  • SRS transmitted by the UE may allow a base station to estimate an uplink channel state at one or more frequencies.
  • a scheduler at the base station may employ the estimated uplink channel state to assign one or more resource blocks for an uplink PUSCH transmission from the UE.
  • the base station may semi-statically configure the UE with one or more SRS resource sets. For an SRS resource set, the base station may configure the UE with one or more SRS resources.
  • An SRS resource set applicability may be configured by a higher layer (e.g., RRC) parameter.
  • the three beams illustrated in FIG. 1 IB may be configured for a UE in a UE-specific configuration. Three beams are illustrated in FIG. 1 IB (beam #1, beam #2, and beam #3), more or fewer beams may be configured.
  • Beam #1 may be allocated with CSI-RS 1101 that may be transmitted in one or more subcarriers in an RB of a first symbol.
  • Beam #2 may be allocated with CSI-RS 1102 that may be transmitted in one or more subcarriers in an RB of a second symbol.
  • Beam #3 may be allocated with CSI-RS 1103 that may be transmitted in one or more subcarriers in an RB of a third symbol.
  • a UE may assess (e.g., measure) a channel quality of one or more beam pair links, a beam pair link comprising a transmitting beam transmitted by a base station and a receiving beam received by the UE. Based on the assessment, the UE may transmit a beam measurement report indicating one or more beam pair quality parameters comprising, e.g., one or more beam identifications (e.g., a beam index, a reference signal index, or the like), RSRP, a precoding matrix indicator (PMI), a channel quality indicator (CQI), and/or a rank indicator (RI).
  • beam identifications e.g., a beam index, a reference signal index, or the like
  • PMI precoding matrix indicator
  • CQI channel quality indicator
  • RI rank indicator
  • FIG. 12A illustrates examples of three downlink beam management procedures: PI, P2, and P3.
  • Procedure PI may enable a UE measurement on transmit (Tx) beams of a transmission reception point (TRP) (or multiple TRPs), e.g., to support a selection of one or more base station Tx beams and/or UE Rx beams (shown as ovals in the top row and bottom row, respectively, of PI).
  • Beamforming at a TRP may comprise a Tx beam sweep for a set of beams (shown, in the top rows of PI and P2, as ovals rotated in a counter-clockwise direction indicated by the dashed arrow).
  • the contention-free random access procedure may not include messages analogous to the Msg 3 1313 and/or the Msg 4 1314.
  • DCI format 1_1 may be used for scheduling of PDSCH in a cell (e.g., with more DCI payloads than DCI format 1_0).
  • DCI format 2_0 may be used for providing a slot format indication to a group of UEs.
  • DCI format 2_1 may be used for notifying a group of UEs of a physical resource block and/or OFDM symbol where the UE may assume no transmission is intended to the UE.
  • DCI format 2_2 may be used for transmission of a transmit power control (TPC) command for PUCCH or PUSCH.
  • DCI format 2_3 may be used for transmission of a group of TPC commands for SRS transmissions by one or more UEs.
  • DCI format(s) for new functions may be defined in future releases.
  • DCI formats may have different DCI sizes, or may share the same DCI size.
  • FIG. 14B illustrates an example of a CCE-to-REG mapping for DCI transmission on a CORESET and PDCCH processing.
  • the CCE-to-REG mapping may be an interleaved mapping (e.g., for the purpose of providing frequency diversity) or a non-interleaved mapping (e.g., for the purposes of facilitating interference coordination and/or frequency-selective transmission of control channels).
  • the base station may perform different or same CCE-to-REG mapping on different CORESETs.
  • a CORESET may be associated with a CCE-to-REG mapping by RRC configuration.
  • a CORESET may be configured with an antenna port quasi co-location (QCL) parameter.
  • the antenna port QCL parameter may indicate QCL information of a demodulation reference signal (DMRS) for PDCCH reception in the CORESET.
  • DMRS demodulation reference signal
  • the UE may determine a PUCCH resource from the PUCCH resource set for UCI (HARQ-ACK, CSI, and/or SR) transmission.
  • the UE may determine the PUCCH resource based on a PUCCH resource indicator in a DCI (e.g., with a DCI format 1_0 or DCI for 1_1) received on a PDCCH.
  • a three-bit PUCCH resource indicator in the DCI may indicate one of eight PUCCH resources in the PUCCH resource set.
  • the UE may transmit the UCI (HARQ-ACK, CSI and/or SR) using a PUCCH resource indicated by the PUCCH resource indicator in the DCI.
  • the processing system 1508 and/or the processing system 1518 may comprise one or more controllers and/or one or more processors.
  • the one or more controllers and/or one or more processors may comprise, for example, a general-purpose processor, a digital signal processor (DSP), a microcontroller, an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) and/or other programmable logic device, discrete gate and/or transistor logic, discrete hardware components, an on-board unit, or any combination thereof.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • FIG. 16A illustrates an example structure for uplink transmission.
  • a baseband signal representing a physical uplink shared channel may perform one or more functions.
  • the one or more functions may comprise at least one of: scrambling; modulation of scrambled bits to generate complex-valued symbols; mapping of the complex- valued modulation symbols onto one or several transmission layers; transform precoding to generate complex-valued symbols; precoding of the complex-valued symbols; mapping of precoded complex- valued symbols to resource elements; generation of complex-valued time-domain Single Carrier-Frequency Division Multiple Access (SC-FDMA) or CP-OFDM signal for an antenna port; and/or the like.
  • SC-FDMA Single Carrier-Frequency Division Multiple Access
  • CP-OFDM signal for an antenna port; and/or the like.
  • FIG. 16A illustrates an example structure for uplink transmission.
  • These functions are illustrated as examples and it is anticipated that other mechanisms may be implemented in various embodiments.
  • a wireless device may receive from a base station one or more messages (e.g. RRC messages) comprising configuration parameters of a plurality of cells (e.g. primary cell, secondary cell).
  • the wireless device may communicate with at least one base station (e.g. two or more base stations in dual-connectivity) via the plurality of cells.
  • the one or more messages (e.g. as a part of the configuration parameters) may comprise parameters of physical, MAC, RLC, PCDP, SDAP, RRC layers for configuring the wireless device.
  • the configuration parameters may comprise parameters for configuring physical and MAC layer channels, bearers, etc.
  • the configuration parameters may comprise parameters indicating values of timers for physical, MAC, RLC, PCDP, SDAP, RRC layers, and/or communication channels.
  • wireless device #1 and wireless device #2 may be in a coverage area of base station #1.
  • both wireless device #1 and wireless device #2 may communicate with the base station #1 via a Uu interface.
  • Wireless device #3 may be in a coverage area of base station #2.
  • Base station #1 and base station #2 may share a network and may jointly provide a network coverage area.
  • Wireless device #4 and wireless device #5 may be outside of the network coverage area.
  • In-coverage D2D communication may be performed when two wireless devices share a network coverage area.
  • Wireless device #1 and wireless device #2 are both in the coverage area of base station #1. Accordingly, they may perform an in-coverage intra-cell D2D communication, labeled as sidelink A.
  • Wireless device #2 and wireless device #3 are in the coverage areas of different base stations, but share the same network coverage area. Accordingly, they may perform an in-coverage inter-cell D2D communication, labeled as sidelink B .
  • Partial-coverage D2D communications may be performed when one wireless device is within the network coverage area and the other wireless device is outside the network coverage area.
  • Wireless device #3 and wireless device #4 may perform a partial-coverage D2D communication, labeled as sidelink C.
  • Out-of- coverage D2D communications may be performed when both wireless devices are outside of the network coverage area.
  • Wireless device #4 and wireless device #5 may perform an out-of-coverage D2D communication, labeled as sidelink D.
  • PSDCH may be used by a first wireless device to send discovery information to a second wireless device.
  • the discovery information may be used by a wireless device to signal its presence and/or the availability of services to other wireless devices in the area.
  • PSCCH may be used by a first wireless device to send sidelink control information (SCI) to a second wireless device. PSCCH may be similar in some respects to PDCCH and/or PUCCH.
  • the control information may comprise, for example, time/frequency resource allocation information (RB size, a number of retransmissions, etc.), demodulation related information (DMRS, MCS, RV, etc.), identifying information for a transmitting wireless device and/or a receiving wireless device, a process identifier (HARQ, etc.), or any other suitable control information.
  • a wireless system may support multiple types of services, where different UEs may transmit different data packets for the different services.
  • the multiple types of services may comprise at least one of: an ultra-reliable low-latency communication (URLLC); an enhanced mobile broadband service (eMBB); a machine type communication (MTC); and a vehicle to vehicle (or vehicle to everything) communication (V2X).
  • a first data packet e.g., a URLLC data packet
  • a second data packet e.g., a V2X data packet
  • the first data packet may be transmitted with a first transmission format (e.g., a first numerology or a first scheduling granularity) on a first data channel (e.g., PUSCH) resource to a first target wireless device (e.g., a base station).
  • the second data packet may be transmitted with a second transmission format (e.g., a second numerology or a second scheduling granularity) on a second data channel (e.g., PSSCH) resource to a second target wireless device (e.g., a third wireless device).
  • time and frequency resources for the first data channel may partially or fully overlap with time and frequency resources for the second data channel.
  • the DCI may be tranmitted to a wireless device addressed by a C-RNTI, or be transmited to a group of wireless devices addressed by a group RNTI.
  • the base station may transmit a MAC CE comprising the uplink pre-emption indication/cancellation indication.
  • the base station may transmit a signal sequence (e.g., a CSI-RS/DMRS) comprising the uplink pre emption indication/cancellation indication.
  • the base station may transmit a third DCI to a third UE (e.g., URLLC UE) indicating a third uplink grant comprising the at least first part of the first uplink grant and/or the at least second part of the second uplink grant.
  • the third UE in response to receiving the third DCI, may transmit uplink data via the third uplink grant.
  • a wireless device may be configured to receive one or more cancellation indications for an uplink cell.
  • the cancellation indication may be received, for example, via one or more DCIs.
  • a wireless device may cancel an uplink transmission based on the one or more cancellation indications, when the wireless device may have received a scheduling information via a dynamic uplink grant or based on a configured grant configuration.
  • the scheduling information may be of the uplink transmission.
  • the one or more cancellation indications may indicate cancellation resources that occur in the time domain after the one or more cancellation indications.
  • Example embodiments may reduce dropping of uplink transmission(s) of a second TRP due to a cancellation indication transmitted via a first TRP.
  • Example embodiments may reduce ambiguity at the second TRP by reducing interferences/impacts caused by the first TRP.
  • an uplink OFDM symbol is an OFDM symbol that may be used for uplink resource or may be indicated as uplink resource based on a slot formation indication or TDD-UL-DL-Config (and/or TDD-UL-DL-ConfigCommon).
  • a flexible OFDM symbol is an OFDM symbol that may be used for downlink/uplink and/or sidelink resource or reserved.
  • a flexible OFDM symbol indicated by TDD-UL-DL-Config and/or TDD- UL-DL-ConfigCommon may be used/changed to downlink, uplink or reserved/unavailable OFDM symbol.
  • the wireless device may apply the one or more second uplink beams for the PI application.
  • the wireless device may drop a second PUSCH, wherein the second PUSCH overlaps with resources indicated by the second PI and a second uplink beam of the second PUSCH belongs to the one or more second uplink beams (e.g., the one or more second uplink beams comprise the second uplink beam of the second PUSCH).
  • the wireless device may determine the first TCI via the first CORESET, where the first CORESET is activated with the first TCI.
  • the wireless device may receive the first PI via the first CORESET.
  • the sidelink cell/carrier/BWP of the firs wireless device may operate in a same frequency range as the second cell.
  • the first wireless device and the second wireless device share resources for sidelink and uplink operation respectively on the frequency of the second cell.
  • the base station transmits a DCI comprising a pre-emption indication/cancellation indication.
  • the DCI indicates that a first beam, wherein the first beam belongs to the one or more uplink beams, to apply the pre-emption indication/cancellation indication.
  • the DCI is received by the first wireless device and the second wireless device.
  • the first wireless device has scheduled a first PSSCH and a second PSSCH where the first PSSCH overlaps with time/frequency resources indicated by the pre-emption/cancellation.
  • the first PSSCH and the second PSSCH are configured to transmit using the first beam (beam 1).
  • a base station may configure, via RRC, MAC-CE, and/or DCI signaling, a first CORESET and a second CORESET to a first wireless device.
  • the base station may configure, via RRC, MAC-CE, and/or DCI signaling, a first TCI state for the first CORESTE.
  • the base station may configure, via RRC, MAC-CE, and/or DCI signaling, a second TCI state for the second CORESET.
  • the base station may configure, via RRC, MAC-CE, and/or DCI signaling, one or more first uplink beams associated with the first TCI state, the first CORESET or a first search space for a first pre-emption indication/cancellation indication via the first CORESET.
  • the base station may configure, via RRC, MAC-CE, and/or DCI signaling, one or more second uplink beams associated with the second TCI state, the second CORESET, or a second search space for a second pre-emption indication/cancellation indication via the second CORESET.
  • the wireless device may monitor the first pre-emption indication/cancellation indication via the first CORESET.
  • the wireless device may monitor the second pre-emption indication/cancellation indication via the second CORESET.
  • the one or more first uplink beams/first uplink TCI states and the one or more second uplink beams/second uplink TCI states may be associated with an uplink cell that is configured for a pre-emption indication/cancellation indication.
  • the one or more first uplink beams/first uplink TCI states may comprise one or more TCI states of a first uplink panel.
  • the one or more second uplink beams/second uplink TCI states may comprise one or more TCI states of a second uplink panel.
  • the base station may configure the set of one or more uplink beams for a downlink TCI state or a pathloss reference signal.
  • the set of one or more uplink beams may comprise one or more sets, wherein each set comprises one or more uplink beams.
  • the wireless device receives an uplink grant of a PUSCH for the first panel with a first uplink TCI state (1st UL TCI) and a second uplink grant of a second PUSCH for the second panel with a second uplink TCI state (2nd UL TCI).
  • the wireless device determines whether there is any uplink transmission/channel scheduled for the first uplink panel in response to receiving the second DCI.
  • the PI comprises a bitmap indicating one or more frequency sub-blocks.
  • a frequency sub-block of the one or more frequency sub-blocks comprises one or more resource blocks during one or more OFDM symbols.
  • the one or more OFDM symbols comprise 14 OFDM symbols with a normal cyclic prefix and 12 OFDM symbols with an extended cyclic prefix (e.g., a slot).
  • the one or more RRC messages further comprise a first parameter of a size of the bitmap for the PI.
  • the size of the bitmap is a number of the one or more frequency sub-blocks.
  • the one or more RRC messages may comprise a second parameter of a frequency region or a size of the one or more resource blocks of the frequency sub-block.
  • a wireless device may receive one or more radio resource control (RRC) messages.
  • the one or more RRC messages may comprise a parameter of a pre-emption indication/cancellation indication radio network temporary identifier (PI-RNTI) for a downlink control information (DCI).
  • PI-RNTI radio network temporary identifier
  • the DCI may notify a pre-emption indication/cancellation indication.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Un dispositif sans fil reçoit un ou plusieurs messages de commande de ressources radio. Le ou les messages de commande de ressource radio indiquent des états d'indicateur de configuration de transmission de liaison montante (TCI) pour des indications d'annulation (CIs). Une première DCI programmant une transmission par l'intermédiaire de ressources de liaison montante est reçue. Une seconde DCI est reçue. Les secondes DCI comprennent une indication d'annulation (CI) indiquant des ressources d'annulation qui se chevauchent avec les ressources de liaison montante. En réponse aux états TCI de liaison montante comprenant un état TCI de la transmission, la transmission par l'intermédiaire des ressources de liaison montante est abandonnée.
PCT/US2021/017070 2020-02-06 2021-02-08 Indication de préemption au moyen d'un faisceau multiple Ceased WO2021159065A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US17/882,320 US12389417B2 (en) 2020-02-06 2022-08-05 Preemption indication with multi-beam

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202062970959P 2020-02-06 2020-02-06
US62/970,959 2020-02-06

Related Child Applications (1)

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US17/882,320 Continuation US12389417B2 (en) 2020-02-06 2022-08-05 Preemption indication with multi-beam

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EP4322683A1 (fr) * 2022-08-12 2024-02-14 Acer Incorporated Procédé d'annulation de ressources et équipement utilisateur
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EP4393232A1 (fr) 2021-08-24 2024-07-03 Qualcomm Incorporated Suivi d'états d'indication de configuration de transmission dans la gestion de faisceau intercellulaire
US12096448B2 (en) 2021-07-08 2024-09-17 Qualcomm Incorporated Sidelink cancellation indication
US12185363B2 (en) 2021-07-08 2024-12-31 Qualcomm Incorporated Sidelink prioritization

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US11824608B2 (en) * 2020-02-10 2023-11-21 Qualcomm Incorporated Channel state information (CSI) processing unit procedures for CSI report pre-emption
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